Experimental and coupled-channels investigation of the radiative properties of the N2 c′4 1Σu + - X 1Σg+ band system

Xianming Liu; Donald E. Shemansky; Charles P. Malone; Paul V. Johnson; Joseph M. Ajello; Isik Kanik; Alan N. Heays; Brenton R. Lewis; Stephen T. Gibson; Glenn Stark

doi:10.1029/2007JA012787

Experimental and coupled-channels investigation of the radiative properties of the N₂ c′₄ ¹Σ_u ⁺ - X ¹Σ_g⁺ band system

Xianming Liu^*, Donald E. Shemansky, Charles P. Malone, Paul V. Johnson, Joseph M. Ajello, Isik Kanik, Alan N. Heays, Brenton R. Lewis, Stephen T. Gibson, Glenn Stark

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

The emission properties of the N₂ c′₄ ¹Σ_u⁺ - X ¹Σ _g⁺ band system have been investigated in a joint experimental and coupled-channels theoretical study. Relative intensities of the c′₄ ¹Σ_u⁺(0) - X ¹Σ_g⁺(ν_i) transitions, measured via electron-impact-induced emission spectroscopy, are combined with a coupled-channel Schrödinger equation (CSE) model of the N₂ molecule, enabling determination of the diabatic electronic transition moment for the c′₄ ¹Σ_u⁺ - X ¹Σ_g⁺ system as a function of internuclear distance. The CSE rotational transition probabilities are further verified by comparison with a high-resolution experimental spectrum. Spontaneous transition probabilities of the c′₄ ¹Σ_u ⁺ - X ¹Σ_g⁺ band system, required for modeling atmospheric emission, can now be calculated reliably.

Original language	English
Article number	A02304
Journal	Journal of Geophysical Research: Space Physics
Volume	113
Issue number	2
DOIs	https://doi.org/10.1029/2007JA012787
Publication status	Published - 1 Feb 2008

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Liu, X., Shemansky, D. E., Malone, C. P., Johnson, P. V., Ajello, J. M., Kanik, I., Heays, A. N., Lewis, B. R., Gibson, S. T., & Stark, G. (2008). Experimental and coupled-channels investigation of the radiative properties of the N₂ c′₄ ¹Σ_u ⁺ - X ¹Σ_g⁺ band system. Journal of Geophysical Research: Space Physics, 113(2), Article A02304. https://doi.org/10.1029/2007JA012787

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title = "Experimental and coupled-channels investigation of the radiative properties of the N2 c′4 1Σu + - X 1Σg+ band system",

abstract = "The emission properties of the N2 c′4 1Σu+ - X 1Σ g+ band system have been investigated in a joint experimental and coupled-channels theoretical study. Relative intensities of the c′4 1Σu+(0) - X 1Σg+(νi) transitions, measured via electron-impact-induced emission spectroscopy, are combined with a coupled-channel Schr{\"o}dinger equation (CSE) model of the N2 molecule, enabling determination of the diabatic electronic transition moment for the c′4 1Σu+ - X 1Σg+ system as a function of internuclear distance. The CSE rotational transition probabilities are further verified by comparison with a high-resolution experimental spectrum. Spontaneous transition probabilities of the c′4 1Σu + - X 1Σg+ band system, required for modeling atmospheric emission, can now be calculated reliably.",

author = "Xianming Liu and Shemansky, {Donald E.} and Malone, {Charles P.} and Johnson, {Paul V.} and Ajello, {Joseph M.} and Isik Kanik and Heays, {Alan N.} and Lewis, {Brenton R.} and Gibson, {Stephen T.} and Glenn Stark",

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AU - Liu, Xianming

AU - Shemansky, Donald E.

AU - Malone, Charles P.

AU - Johnson, Paul V.

AU - Ajello, Joseph M.

AU - Kanik, Isik

AU - Heays, Alan N.

AU - Lewis, Brenton R.

AU - Gibson, Stephen T.

AU - Stark, Glenn

PY - 2008/2/1

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N2 - The emission properties of the N2 c′4 1Σu+ - X 1Σ g+ band system have been investigated in a joint experimental and coupled-channels theoretical study. Relative intensities of the c′4 1Σu+(0) - X 1Σg+(νi) transitions, measured via electron-impact-induced emission spectroscopy, are combined with a coupled-channel Schrödinger equation (CSE) model of the N2 molecule, enabling determination of the diabatic electronic transition moment for the c′4 1Σu+ - X 1Σg+ system as a function of internuclear distance. The CSE rotational transition probabilities are further verified by comparison with a high-resolution experimental spectrum. Spontaneous transition probabilities of the c′4 1Σu + - X 1Σg+ band system, required for modeling atmospheric emission, can now be calculated reliably.

AB - The emission properties of the N2 c′4 1Σu+ - X 1Σ g+ band system have been investigated in a joint experimental and coupled-channels theoretical study. Relative intensities of the c′4 1Σu+(0) - X 1Σg+(νi) transitions, measured via electron-impact-induced emission spectroscopy, are combined with a coupled-channel Schrödinger equation (CSE) model of the N2 molecule, enabling determination of the diabatic electronic transition moment for the c′4 1Σu+ - X 1Σg+ system as a function of internuclear distance. The CSE rotational transition probabilities are further verified by comparison with a high-resolution experimental spectrum. Spontaneous transition probabilities of the c′4 1Σu + - X 1Σg+ band system, required for modeling atmospheric emission, can now be calculated reliably.

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M3 - Article

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IS - 2

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Experimental and coupled-channels investigation of the radiative properties of the N₂ c′₄ ¹Σ_u ⁺ - X ¹Σ_g⁺ band system

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